I can't speak for OP, but GOF (Gang of Four) is a reference to the four authors of a classic Design Patterns text. [1] This repo appears to be Python examples of some of the patterns referenced in the original text.
[1]: Design Patterns: Elements of Reusable Object-Oriented Software by Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides
There is a project[1] + whitepaper[2] on projecting the likelihood of future white collar crimes written by Sam Lavigne, Francis Tseng, and Brian Clifton.
I have a side project that seems stuck in the mid 6-figures. My 6 month avg spend for AWS is 4.62%. However, that percentage is not linear. It would jump a tier around .85mm